74277045 has 12 divisors (see below), whose sum is σ = 128746956. Its totient is φ = 39614400.

The previous prime is 74277043. The next prime is 74277053. The reversal of 74277045 is 54077247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46335249 + 27941796 = 6807^2 + 5286^2 .

It is not a de Polignac number, because 74277045 - 2¹ = 74277043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74277041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825256 + ... + 825345.

It is an arithmetic number, because the mean of its divisors is an integer number (10728913).

Almost surely, 2^74277045 is an apocalyptic number.

It is an amenable number.

74277045 is a deficient number, since it is larger than the sum of its proper divisors (54469911).

74277045 is a wasteful number, since it uses less digits than its factorization.

74277045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650612 (or 1650609 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 74277045 is about 8618.4131369992. The cubic root of 74277045 is about 420.3569244836.

The spelling of 74277045 in words is "seventy-four million, two hundred seventy-seven thousand, forty-five".